A more thorough explanation:

A method claim is a type of patent claim that describes the steps or process used to achieve a useful result. It is a formal statement that defines the scope of protection for the invention. For example, a method claim could describe a new way of manufacturing a product or a new process for treating a medical condition.

One example of a method claim is a patent for a new method of making a type of plastic. The claim would describe the specific steps involved in the manufacturing process, such as the temperature and pressure required to create the plastic. Another example is a patent for a new method of diagnosing a disease, which would describe the specific tests and procedures used to identify the condition.

Method claims are important because they allow inventors to protect their inventions from being copied by others. By defining the specific steps or process used to achieve a useful result, inventors can prevent others from using the same method without permission.